LG CU920 Manual page 67

3.10.4 Key Pad
There are 15 main key buttons on touch screen, 3 multi-function keys and 4 side keys in Figure.
Shows the Keypad circuit. 'END' Key is connected to PMIC(PM6650). KEY(Side Volume Up/Down,
OK, Send, Clear, Zoom In/shutter)
ROW0
ROW(1)
ROW(2)
ROW(3)
KEY(Side Volume Up/Down, OK, Send, Clear, Zoom, In/shutter)
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
COL(0)
UP
CAMERA Auto Focus
LOCK
CLR
Table. Key Matrix Mapping Table
Figure. Main Keypad Circuit
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3. TECHNICAL BRIEF
COL(1)
DOWN
CAMERA RECORD
SEND
N/A
LGE Internal Use Only